Question
The total mass of Archie and Jane is 9029 kg. Archie weighs 3127 kg. 
  1. What is Jane's mass?
  2. How much heavier than Archie is Jane?
4 m
(a)

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(b)

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The total mass of Archie and Jane is 9029 kg. Archie weighs 3127 kg. 
  1. What is Jane's mass?
  2. How much heavier than Archie is Jane?